* {
  margin: 0;
  padding: 0;
}
input,
select {
  outline: none;
  text-align: center;
}
.addr {
  width: 600px;
  margin: 50px auto;
  font: 16px "微软雅黑";
  text-align: center;
}
fieldset {
  padding: 20px;
  border: 3px dotted #999;
}
fieldset legend {
  font-size: 20px;
}
fieldset div {
  margin-bottom: 10px;
}
fieldset div input {
  width: 320px;
  padding: 2px 10px;
}
fieldset select {
  margin-right: 15px;
  padding: 3px;
  width: 120px;
}
fieldset input[type="button"] {
  width: 50px;
  padding: 3px;
}
